Akhil, You might want to have a look at this http://lists.freeswitch.org/pipermail/freeswitch-users/2011-November/077513.... Alternatively (what I do) - get the phone to send the keepalive, not the other way around. Set the following in the Polycom phone .xml configuration file: <nat nat.keepalive.interval="30" />
From the manual: "If non-Null (or 0), the keepalive interval in seconds. This parameter is used to set the interval at which phones will send a keep-alive packet to the gateway/NAT device to keep the communication port open so that NAT can continue to function as setup initially."
Default value is 0. Mike On Fri, Jul 6, 2012 at 2:40 AM, Akhil Chandra <achandra@telrouter.com> wrote:
Hi all,
I come from a asterisk background and having trouble keeping the firewall hole opened up for Polycom registering to freeswitch server.
I am running freeswitch ( with bluebox UI) and trying to register a Polycom behind a router.
I have exhausted all the options in sip_profiles directory for the interface I am using. The issue I am seeing is that the freeswitch sends the OPTIONS message to the internal IP ie ( 192.168.X.X) rather than the public IP, behind which the Polycom phones are.
These phones register fine with asterisk in the stated scenario.
I have tried changing these options in the xml file but still the OPTIONS message ( as seen in tcpdump) is sent to 192.168.X.X
<param name="nat-options-ping" value="true"/>
<param name="all-reg-options-ping" value="true"/>
<param name="apply-nat-acl" value="rfc1918.auto"/>
<param name="aggressive-nat-detection" value="true"/>
<param name="NDLB-force-rport" value="true"/>
Any help appreciated !! .. Thanks in advance.
Regards,
Akhil
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